Parker A4AL-DN Manual Download Page 7

Refrigerating Specialties Division

7

BO LT TO R Q U E TABLE

ITEM

PO R T SIZE

TO R Q U E

7/16"Flange Bolt

1/2"

28 ftlb

5/8"Flange Bolt

3/4"-2"

85 ftlb

3/4"Flange Bolt

2-1/2"-3"

105 ftlb

7/8"Flange Bolt

4"

150 ftlb

5/16"-18 BonnetBolt

3/4"-4"

1

5

ftlb

5/16"-18 AdapterBolt

3/4"-2"

1

5

ftlb

5/8"-11 AdapterBolt

3"-4"

75 ftlb

Bottom C ap

3/4"-1-1/4"

150 ftlb

1/2"-13 Bottom C ap Bolt

1-5/8"-2-1/2"

50 ftlb

5/8"-11 Bottom C ap Bolt

3"-4"

75 ftlb

A4AL

Dimensions

A

G

C

D

H

FPT
SW

J

Add for Strainer

F

E

Weld Neck

Flange

ODS

Flange

OVERALL VALVE DIMENSIONS

Port Size

20mm & 25mm

32mm

40mm & 50mm

65mm

75mm

100mm

(3/4 & 1")

(1-1/4")

(1-5/8 & 2")

(2-1/2")

(3")

(4")

    DIMENSION

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

A

A4P, A4L

392

15.4

410

15.6

464

16.2

483

19.0

597

23.5

653

25.7

A43P

414

16.3

432

17.0

485

19.1

505

19.9

620

24.4

676

26.6

C

164

6.2

203

8.0

251

9.9

252

9.9

311

12.2

359

14.1

G

A4P, A4L

244

9.6

248

9.8

287

11.3

302

11.9

324

12.8

361

14.2

A43P

266

10.5

270

10.7

308

12.2

324

12.8

347

13.7

384

15.1

H

117

4.6

117

4.6

140

5.5

159

6.2

176

7.0

222

8.8

J

98

3.9

178

7.0

251

9.9

314

12.4

314

12.4

363

14.3

OVERALL LENGTH DIMENSIONS WITH FLANGES

*Add 13mm (0.5") to D, E & F Dimensions for A4L Variation

FPT & SW

3/4"

216

8.5

1-1/4"

256

10.1

1-1/2"

307

12.1

D*

FOR PIPE

1"

216

8.5

1-1/2"

256

10.1

2"

307

12.1

2-1/2"

331

13.0

3"

389

15.3

4"

450

17.7

SIZES

1-1/4"

216

8.5

WN FOR

3/4"

254

10.0

1-1/4"

300

11.8

1-1/2"

364

14.3

E*

FOR PIPE

1"

261

10.3

1-1/2"

304

12.0

2"

371

14.6

2-1/2"

401

15.8

3"

478

18.8

4"

571

22.5

SIZES

1-1/4"

261

10.3

ODS FOR

7/8"

239

9.4

1-3/8"

269

10.6

1-5/8"

358

14.1

2-5/8"

348

13.7

3-1/8"

414

16.3

F*

TUBE

1-1/8"

239

9.4

1-5/8"

279

11.0

2-1/8"

338

13.3

4-1/8"

503

19.8

SIZES

1-3/8"

231

9.1

2-1/8"

305

12.0

2-5/8"

358

14.1

3-1/8"

389

15.3

3-5/8"

432

17.0

1-5/8"

239

9.4

Summary of Contents for A4AL-DN

Page 1: ...s All A4AL Regulators are pilot operated using upstream pressure for the opening force and require a minimum 2 psi 0 14 bar pressure drop to fully open These valves are generally ordered with close co...

Page 2: ...r the system has been in operation for a while and make any minor corrections neces sary Installation All regulators are packed for maximum protec tion Unpack carefully check the carton to make sure a...

Page 3: ...l the flats onthestembarelyprotrudefromthestuffingbox nut Push Piston 30 down against the spring force The piston should move freely down and be returned by the spring force If the piston is jammed or...

Page 4: ...g must be replaced Check other system components for proper op eration Check hand valves in the system to make sure they are open or closed as required and the system is receiving liquid or gas as the...

Page 5: ...Spring Rest Lower 15 Diaphragm Follower 16 Gasket Bonnet 17 Diaphragm 18 Seat Pilot 19 Gasket Adapter 20 Flg Ring tube Asm 27 Gauge Port Pipe Plug 28 Adapter Body 29 Gasket Body 30 Piston Stem 31 Scre...

Page 6: ...BOTTOM A4A S4A 1 5 8 to 2 1 2 DUCTILE IRON GGG 40 3 BONNET A4W DUCTILE IRON GGG 40 3 COMPONENT DESCRIPTION MATERIAL Kv VOLUME BODY 2 A4A DN DUCTILE IRON GGG 40 3 42 4 1 61 L ADAPTER 2 A4A DN DUCTILE...

Page 7: ...A43P 414 16 3 432 17 0 485 19 1 505 19 9 620 24 4 676 26 6 C 164 6 2 203 8 0 251 9 9 252 9 9 311 12 2 359 14 1 G A4P A4L 244 9 6 248 9 8 287 11 3 302 11 9 324 12 8 361 14 2 A43P 266 10 5 270 10 7 308...

Page 8: ...me for Refrigerating Specialties any other liability in con nection with any of it products SYMPTOM PROBABLE REASON CORRECTION Regulator does not shut off flow Diaphragm or seat dirty damaged or froze...

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